WO2002042936A1 - Procede d'extraction de donnees et dispositif relais - Google Patents
Procede d'extraction de donnees et dispositif relais Download PDFInfo
- Publication number
- WO2002042936A1 WO2002042936A1 PCT/JP2001/010321 JP0110321W WO0242936A1 WO 2002042936 A1 WO2002042936 A1 WO 2002042936A1 JP 0110321 W JP0110321 W JP 0110321W WO 0242936 A1 WO0242936 A1 WO 0242936A1
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- WO
- WIPO (PCT)
- Prior art keywords
- information
- mobile
- server
- character string
- location
- Prior art date
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
Definitions
- TECHNICAL FIELD relates to a relay device for searching information on a network using location information of a mobile device, and a search method.
- position information systems for acquiring information on the current position of a mobile device (hereinafter referred to as “position information”) have been put to practical use.
- position information For example, in a PHS (Personal Handy phone System; registered trademark) network, a base station receives radio waves from a mobile station and can determine the approximate current location of the mobile station based on the position of the base station. is there.
- GPS Globalstar
- a method has also been proposed that incorporates a Positioning System and obtains the location information of the mobile device.
- the location information for example, the location of the mobile device can be displayed on a personal computer screen over a network by superimposing it on a map, or provided to the user by facsimile together with information on the surrounding area. Service exists.
- An object of the present invention is to provide an information search method and a relay device that enable searching for information on a network using location information of a mobile device while protecting the privacy of a user. .
- the information search method of the present invention includes: (a) an acquisition step in which a relay device connected to a first network and a second network accommodating a mobile device obtains location information corresponding to the mobile device; b) the relay device converts the position information acquired in the acquiring process into a character string; and (c) the relay device transmits the character string to a server connected to the first network. And (d) transmitting the information obtained in the search process by the relay device to the mobile device, and instructing a search for information related to the mobile device and obtaining the information from the server.
- the character string is, for example, a character string representing an administrative division corresponding to the position information.
- the relay device includes a database that stores a character string representing position information and information related to the position information in association with each other.
- the relay device includes the character string. The information related to the character string is searched from the database, and only when the corresponding information is not found, the server is instructed to search for the information related to the character string.
- the information related to the character string may include a URL of the server providing the information.
- the second network is a mobile communication network
- the location information is identification information of the base station with which the mobile device is communicating with a base station accommodated in the mobile communication network.
- the relay device of the present invention is connected to a first network and a second network accommodating a mobile device, (a) means for obtaining location information corresponding to the mobile device, and (b) Means for converting position information into a character string; and (c) a search proxy means for instructing a server connected to the first network to search for information related to the character string, and acquiring the information from the server. And (d) transmitting means for transmitting the obtained information to the mobile device.
- the relay device further includes a database that stores a character string representing position information and information related to the position information in association with each other, and searches the database for information related to the character string, Only when the corresponding information is not found, the server instructs the server to search for information related to the character string. Further, the server may be instructed to search for information on the character string, and when the information is obtained from the server, the character string and the information may be stored in the database in association with each other.
- FIG. 1 is a block diagram showing a configuration of a mobile communication system according to a first embodiment.
- FIG. 2 is a block diagram showing the configuration of the mobile station MS.
- FIG. 3 is a block diagram showing the configuration of the gateway server GWS.
- FIG. 4a is a diagram showing an example of the source of the main menu data.
- FIG. 4B is a diagram illustrating an example of an image displayed on the liquid crystal display unit of mobile device MS that has received the main menu data.
- FIG. 5 is a diagram showing a regional conversion table TBL.
- FIG. 6 is a diagram showing the storage contents of the location-related information database GW S4.
- FIG. 7 is a diagram showing a sequence of the mobile communication system.
- FIG. 8 is a flowchart showing the processing of the data distribution management unit GWS3.
- FIG. 9 is a diagram showing a display example of the liquid crystal display unit 14.
- FIG. 1 ⁇ is a view showing a display example of the liquid crystal display section 14.
- FIG. 11 is a diagram showing the storage contents of the location-related information database GWS4 in the second embodiment.
- BEST MODE FOR CARRYING OUT THE INVENTION will be described with reference to the drawings.
- the present embodiment is a communication system realized by applying the present invention to a mobile communication network connected to the Internet.
- FIG. 1 is a block diagram showing the configuration of the entire mobile communication system according to the present embodiment.
- the mobile communication system includes a plurality of mobile stations MS, a mobile packet communication network MPN, an Internet NET, a plurality of IP servers W, and the like. Note that in FIG. 1, only one mobile device and one IP server among a plurality of mobile devices MS and IP server W accommodated in the mobile communication system are shown to avoid complicating the drawing. ing.
- the mobile device MS is a portable communication terminal such as a mobile phone or a PHS, and receives a bucket communication service of a mobile bucket communication network MPN and also receives a call service of a mobile telephone network (not shown).
- the mobile device MS includes a voice input / output unit such as a microphone and a speech power for a user to make a voice call, a transmission / reception unit for performing wireless communication with a base station of a mobile communication network, and a liquid crystal display including a liquid crystal panel. It has a built-in microcomputer that controls these components, including an input unit for inputting information such as a PB (push button) and cursor buttons.
- PB push button
- the mobile bucket communication network MPN is a communication network for providing a bucket communication service to the mobile station MS, and includes a base station BS, a packet subscriber processing unit PS, and a gateway server GWS.
- a number of base stations BS are installed at predetermined intervals in the bucket communication service area. It performs wireless communication with mobile stations MS located in each wireless zone.
- the base station BS has a base station ID for identifying each base station BS in the mobile bucket communication network MPN, and an uplink signal (for example, an HTTP GET request) is transmitted from the mobile station MS.
- the base station BS adds its own base station ID to the uplink signal and transmits the signal to the bucket subscriber processing unit PS. Therefore, when the uplink signal transmitted from mobile station MS is received by gateway server GWS, the base station ID of the base station is added to the signal.
- the bucket subscriber processing unit PS is a computer system provided in a bucket switching center that accommodates a plurality of base stations BS, and each has its own packet subscriber processing unit ID. Upon receiving the bucket exchange request from the mobile station MS, the packet subscriber processing device PS performs a process of relaying the packet exchange after confirming the validity of the received bucket exchange request.
- the gateway server GWS is a computer system provided in a mobile bucket gateway relay exchange that interconnects the Internet I NET and the mobile packet communication network MPN, and mediates transmission and reception of signals between different networks. Specifically, the gateway server GWS transmits the signal sent from the mobile station MS on the mobile packet communication network MPN side to the Internet I NE T J (3 ⁇ 45 TC PZ I P
- the protocol is converted according to the protocol and transmitted to the Internet.
- the gateway server GWS converts the signal transmitted from the Internet INET side so as to conform to the transmission protocol for the mobile packet communication network, and transmits the signal to the mobile packet communication network MPN side.
- the gateway server GWS grasps the current position of the mobile device MS from a signal transmitted from the mobile device MS, and obtains information related to the vicinity of the current position of the mobile device MS (hereinafter, “location-related information”). Information ”) to the mobile station MS.
- the IP (Information Provider) server W is a server on the Internet, and stores information to be provided to users (for example, homepages) as HTML data. And hold it.
- This IP server W has a URL for uniquely specifying an information resource on the Internet. If the URL included in the received GET request is its own URL, the information corresponding to the URL, that is, Sends HTML data to the Internet I NET in HTTP format.
- FIG. 2 is a block diagram showing a configuration of the mobile station MS according to the present embodiment.
- the mobile station MS has a control section MS1, a transmission / reception section MS2, an instruction input section MS3, a liquid crystal display section MS4, and a bus MS5 for interconnecting these.
- the transmitting / receiving unit MS2 performs wireless communication with the base station BS of the mobile bucket communication network MPN.
- the instruction input unit MS3 includes various buttons such as PB (push button) and cursor keys.
- PB push button
- operation data corresponding to the input operation is transmitted to the CPU 111 of the control unit MS1.
- the CPU 111 judges the user's input command from the operation data and performs control corresponding to the command.
- the liquid crystal display section MS4 includes a display device such as a liquid crystal panel, and displays various information under the control of the control section MS1.
- the control unit MS1 includes a CPU 111, a ROM 112, and a RAMI 13, and controls each unit of the mobile station MS.
- the ROM 112 stores a mobile station ID for uniquely identifying the mobile station MS in the mobile bucket communication network MPN, a control program for controlling the entire mobile station MS, various control information, and an IP server.
- a WWW browser program for acquiring data from and displaying characters and images is stored.
- RAMI 13 is used as a work area for CPU 111.
- the CPU 111 executes various processes by reading various control programs stored in the ROM 112. For example, when the CPU 111 reads the WWW browser stored in the ROM 112, when the user inputs a URL from the instruction input unit MS3, the CPU 111 sends an HTTP GET request including the URL to the mobile packet communication. Network Send to MPN. Then, the HTML data corresponding to the GET request is returned from the IP server W ⁇ the gateway server GWS. Then, the CPU 11 writes the HTML data into the RAMI 13 and displays an image represented by the data on the liquid crystal display MS4.
- FIG. 3 is a block diagram showing the configuration of the gateway server GWS.
- the gateway server GWS is composed of a system control unit GWS1, a subscriber information management unit GWS2, a data distribution management unit GWS3, a bus GWS5 interconnecting these, and the like. .
- the subscriber information management unit GWS 2 stores and manages information on subscribers of the bucket communication service using the mobile packet communication network MPN (for example, telephone numbers and e-mail addresses of each mobile station MS, other subscriber attribute information, etc.). ing.
- the system control unit GWS1 functions as an interface between different networks, such as controlling each unit of the gateway server GWS and performing protocol conversion between the mobile packet communication network MPN and other networks such as the Internet INET. You.
- the system control unit GWS 1 checks a URL included in the GET request, and determines that the URL is a general URL in the Internet INET.
- the protocol of the GET request is converted and transferred to the Internet I NET. If the URL included in the GET request indicates the location of the information resource in the gateway server GWS, the GET request is sent to the data distribution management unit GWS3.
- the data distribution management unit GWS 3 has information to be distributed to the mobile device MS, such as a home page and a web page, and according to the GET request sent from the system control unit GWS 1, data corresponding to the GET request. To the mobile device MS.
- the data distribution management unit GWS3 responds to the GET request and, in accordance with the GET request, generates HTML data corresponding to the homepage ( Hereafter, this is called “menu data”).
- FIG. 4A shows an example of this menu data source
- Figure 4B shows FIG. 9 is a diagram illustrating an example of an image displayed on a liquid crystal display MS4 of a mobile device MS that has acquired menu data.
- ⁇ A herf
- ⁇ /A> is an anchor tag and indicates a URL of a service item (hereinafter, referred to as a "menu item”) that can be provided to the mobile station MS by the gateway server GWS.
- the URL corresponding to each menu item indicates the location of information (Web page) on the gateway server GWS.
- the gateway server GWS returns the sub-menu data corresponding to the URL.
- This submenu data is HTML format data like the menu data, and includes service information corresponding to each menu item (hereinafter, referred to as “submenu item”).
- this data includes URLs corresponding to each submenu item.
- the liquid crystal display section MS 4 displays the menu items such as “location-related information service” and “news service”. Is displayed.
- the “location-related information service” is a service that provides information on stores, facilities, and the like near the current location of the mobile device MS.
- the submenu items of “location-related information service” include “restaurant information”, “movie theater information”, “shop information”, and the like.
- “Restaurant information” includes restaurants (“Restaurant A”, “Restaurant B”, ...) that exist near the user's current location, and the information (URL, telephone, etc.) required to obtain information about these restaurants. Number etc.) are included.
- the data distribution management unit GWS3 has a region name conversion table and a location-related information database GWS4.
- FIG. 5 is a diagram showing the area name conversion table TBL
- FIG. 6 is a diagram showing the storage contents of the location-related information database GWS4.
- “base station I DJ” and “area name” indicating the area where base station BS having the base station ID exists are stored in association with each other. I'm out of order.
- the address where the base station ID group “BS 001 to BS 005” exists is “1-chome, Shibuya, Shibuya-ku, Tokyo”. "Shibuya 1chome" is stored.
- the location-related information database GWS 4 stores location-related information corresponding to each submenu item as shown in FIG.
- the location-related information is stored in correspondence with each of the submenu items, and includes a store name, a region name corresponding to the location of the store, a URL of a link site providing information of the store, and a telephone number of the store. Consists of a number. For example, in the case shown in Fig. 6, the restaurant name "Restaurant A", the region name "Shibuya 1-chome”, the URL rhttp: //www.aa.ne.jpj and ⁇ The phone number “03—1 1 1 1—1 1 1” is stored as location-related information.
- each region name stored in the location-related information database GWS 4 and each region name stored in the region name conversion table TBL are the names of the regions classified in the same manner. ⁇
- This location-related information may be stored in any manner.
- the information may be stored by the IP server W accessing the gateway server GWS, or the data distribution management unit GWS 3 may access the IP server W to access the location-related information such as the region name and the store name. Keywords may be extracted and stored in the database GW4. In this case, it is preferable that the information is updated periodically.
- the data distribution management unit GWS 3 responds to the GET request by the base station.
- the base station ID added by the BS is extracted.
- the data distribution management unit GWS3 reads the area name corresponding to the base station ID extracted from the GET request from the area name conversion table TBL.
- the data distribution management unit GWS3 extracts the location-related information including the read area name from the database GWS4, and distributes the extracted location-related information to the mobile station MS.
- the data format of the location-related information stored in the location-related information database GWS4 is arbitrary, but the data transmitted from the gateway server GWS to the mobile station MS2 must be HTML data. Therefore, if the data format of the location-related information is not HTML format, the gateway server GWS Data format conversion is performed.
- the CPU 111 reads the WWW browser from the ROM 112. Then, the CPU 111 executes a process for registering a packet in the packet subscriber processor PS according to the WWW browser.
- the packet registration is a registration procedure for the mobile station MS to perform bucket exchange with the mobile bucket communication network MPN.
- the CPU 111 transmits a connection establishment request to the mobile bucket communication network MPN via the transmission / reception unit MS2.
- the mobile station MS can perform bucket exchange with the gateway server GWS.
- the processing shown in FIG. 7 is executed.
- the CPU 111 of the mobile station MS sends an HTTP GET request including the URL of the home page of the gateway server GWS to the transmitting / receiving section MS2.
- the GET request is transmitted to the base station BS by the transmission / reception unit MS2 (Step Sal).
- the base station BS receives the GET request, adds its own base station ID to the GET request, and transfers it to the gateway server GWS (step Sa2).
- Gateway server GWS system control unit GWS 1 receives the GET request, determines that the URL included in the GET request indicates its own homepage, and manages the data distribution of the GET request.
- the data distribution management unit GWS3 that has received the GET request sends the menu data to the system control unit GWS1.
- the menu data is transmitted from the system control unit GWS1 to the mobile station MS via the base station BS (step Sa3).
- the transmitting / receiving section MS2 of the mobile station MS sends the data to the CPU 111 (step Sa4).
- the CPU 111 The menu data sent from the communication section MS2 is stored in the RAMI 13, and an image corresponding to the menu data is displayed on the liquid crystal display section MS4. That is, a list of service contents that can be received by the mobile station MS is displayed on the liquid crystal display section MS4 as shown in FIG. 4B.
- the GET request is received by the system control unit GWS1 and sent to the data distribution management unit GWS3.
- the data distribution management unit GWS3 extracts the URL from the GET request, determines that the URL is a URL corresponding to the menu item “location related information service”, and starts the processing shown in FIG.
- the data distribution management unit GWS3 sends sub-menu data corresponding to the menu item "position-related information service" to the system control unit GWS1 (step Sbl in FIG. 8).
- the system control unit GWS1 transmits the submenu data to the mobile station MS via the base station BS (steps Sa7, Sa8).
- the process in the data distribution management unit GWS3 proceeds to step Sb2 in FIG. Until a GET request including the URL corresponding to the submenu item is received from the mobile station MS, the determination in step Sb2 in FIG. 8 is “No”.
- the submenu data transmitted from the gateway server GWS is received by the transmission / reception unit MS2 and transmitted to the CPU 111.
- the CPU 111 stores the submenu data in the RAMI 13 and displays an image represented by the data on the liquid crystal display unit MS4.
- FIG. 9 is a diagram showing an example of an image displayed on liquid crystal display MS4 of mobile device MS when receiving submenu data.
- the temporarily selected submenu item is inverted. Is displayed.
- “restaurant information” is provisionally selected.
- the CPU 111 reads out the URL corresponding to the “restoration information” and sends an HTTP GET request including the URL to the base station BS. Is transmitted (step S a 9).
- the base station BS Upon receiving the GET request transmitted from the mobile station MS, the base station BS adds its own base station ID to the GET request and transfers it to the gateway server GWS (step Sa10).
- the GET request transferred by the base station BS is received by the system control unit GWS 1 and sent to the data distribution management unit GWS 3.
- the judgment power S “Yesj” in step Sb2 in FIG. 8 is obtained.
- the data distribution management unit GW3 extracts the base station ID from the GET request (Step Sb3 in FIG. 8).
- the data distribution management unit GWS3 reads the area name corresponding to the base station ID extracted from the figure from the area name conversion table TB (step Sb4 in FIG. 8). For example, if the base station ID is “BS001”, “Shibuya 1-chome” is read (see FIG. 5).
- the data distribution management unit GWS 3 searches the location-related information database GWS 4 for location-related information corresponding to “restaurant information” using the read-out area name “Shibuya 1-chome” as a search key (FIG. 8 step). S b 5).
- step S b6 in FIG. 8 If the relevant position-related information does not exist, the judgment S in step S b6 in FIG. 8 becomes “No”. In this case, the data distribution management unit GWS3 transmits to the mobile station MS that there is no corresponding location-related information (step Sb9 in FIG. 8). As a result, in the mobile device MS, for example, a message such as "No corresponding information is found" is displayed on the liquid crystal display MS4.
- step S b 6 If the relevant location-related information exists (FIG. 8, step S b 6 “Yes”), that is, if there is location-related information having “Shibuya 1-chome” as the area name, the data distribution management unit GWS 3 The position-related information is sent to the system control unit GWS1 for transmission to the mobile station MS (FIG. 8, steps Sb7, Sb8). For example, if the location-related information stored in the location-related information database GWS 4 has the contents as shown in FIG.
- the data distribution management unit GWS 3 sets the location-related information corresponding to "Shibuya 1-chome" It reads the location-related information corresponding to “Restaurant A” etc., that is, the URL of the site providing information on “Restaurant 8” and the telephone number of “Restaurant A” (step S b 7 in FIG. 8). ), And send it to GWS1. (FIG. 8, step Sb8) The URL, telephone number, and the like are transmitted to the mobile station MS via the base station BS (steps Sal1, Sa12).
- FIG. 10 is a diagram showing a display example on the liquid crystal display section MS4 of the mobile station MS. If “Restaurant A” is tentatively selected, the character string “Restaurant A” is highlighted.
- the CPU 111 issues a URL corresponding to “Restaurant A”, that is, “http: ⁇ old w.aa.ne. jp ”(see Fig. 6) and sends an HTTP GET request including the URL to the transmitting / receiving unit MS2.
- the GET request is transmitted by the transmission / reception unit MS2 to the gateway server GWS via the base station BS (steps Sa13, Sa14).
- the system control unit GWS1 of the gateway server GWS When the system control unit GWS1 of the gateway server GWS receives the GET request, it determines that the URL included in the GET request is not its own, and transfers the GET request to the Internet I NET (step S a 15).
- the IP server W When the GET request transmitted to the Internet I NET is received by the IP server W, the IP server W transmits the HTML data corresponding to the URL included in the GET request (in this case, “restaurant A”). To Internet I NET. As a result, the HTML data is sent to the mobile station MS via the gateway server GWS (steps Sal 6, S al 7, Sa 18).
- the gateway server GWS in the mobile communication system obtains the current position of the mobile device using the base station ID of the base station in which the mobile device is located, and corresponds to the current position.
- the location related information is transmitted to the mobile device. Therefore, the user can acquire information related to the current position provided by the IP server without transmitting the current position to the IP server (transmitting the current position on the Internet).
- the gateway server GWS acquires the current position of the user using the base station ID included in the signal transmitted from the mobile station MS.
- the mobile station MS may be equipped with a GPS, and the latitude and longitude of the current position acquired by the GPS may be transmitted to the gateway server GWS.
- the area name conversion table TBL stores the latitude and longitude information corresponding to each area name instead of the base station ID.
- a function for measuring the received electric field strength is provided in the mobile station MS, the mobile station MS measures the received electric field strength of the beacon signal transmitted from three different base stations, and the measured value and the base station
- the ID and the ID may be transmitted to the gateway server GWS.
- the gateway server GWS calculates the current position of the mobile station MS from the transmitted received electric field strength and the base station ID.
- the method of dividing each area is not limited to the address, but may be a method based on postal code or latitude-degree. ⁇ Modified example 1-1>
- a location-related information database GWS 4 is provided in the gateway server GWS, and the location-related information is searched in the gateway server GWS.
- a location-related information database is set up on a search server on the Internet, and the search server searches for location-related information. You may use it.
- the gateway server GWS transmits only the area name to the search server on the Internet INET.
- the search server performs a search using the area name transmitted as described above as a search key, and returns the extracted location-related information to the gateway server GWS.
- the gateway server GWS transmits the location-related information returned from the search server to the mobile station MS.
- the data distribution management unit GWS3 may use a predetermined code or the like in order to associate the location-related information transmitted from the search server with the mobile station MS that has made the request.
- the data distribution management unit GWS 3 responds to the GET request with a predetermined code. Is created, and the corresponding code is added to the region name and transmitted to the search server.
- the search server adds the corresponding code to the extracted location-related information and transmits it.
- the distribution management unit GWS3 specifies the mobile MS to which the location-related information is to be transmitted based on the corresponding code, and transmits the mobile MS to the mobile MS.
- the configuration in which the search server on the Internet searches for information makes it possible to reduce the processing load on the gateway server. Also, since only the area name and corresponding code are sent to the Internet I NET and there is no information that can identify the user, even if a third party illegally obtains the area name and corresponding code on the Internet ET, User privacy is protected.
- FIG. 11 is a diagram showing the storage contents of the position-related information database GWS 4 of the present embodiment. Unlike the first embodiment shown in FIG. 6, the position-related information database in this embodiment is different from the first embodiment.
- the source GW S4 stores different submenu data corresponding to each of the area names stored in the area name conversion table TBL. Specifically, the sub-menu data items corresponding to the area name “Shibuya 1-chome” include “Restor Information”, “Movie Theater Information”, “Shop Information”, Information about restaurants located in Shibuya 1-chome, for example,
- the location-related information database GW S4 in this embodiment has a sub-menu item for each area name, when the gateway server GW S1 acquires the area name, it can quickly read out the corresponding location-related information. It is possible. That is, unlike the first embodiment, there is no need to search the database GWS 4 using the area name as a key. This not only reduces the processing load on the gateway server associated with the search, but also enables quick response to the user's request for location information.
- An acquiring step in which a relay device connected to a first network and a second network accommodating a mobile device acquires position information corresponding to the mobile device; and A conversion process of converting the acquired position information into a character string;
- the relay device instructs a server connected to the first network to search for information related to the character string, and a search proxy process of acquiring the information from the server;
- An information search method comprising:
- the character string represents an administrative division corresponding to the location information.
- the relay device includes a database that stores a character string representing position information in association with information related to the position information,
- the relay device searches the database for information related to the character string, and instructs the server to search for information related to the character string only when the corresponding information is not found.
- Information retrieval method to do. 4. The information retrieval method according to claim 1, wherein
- the information related to the character string includes information indicating a position where the information is stored.
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Description
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002395658A CA2395658C (en) | 2000-11-27 | 2001-11-27 | Information retrieving method and relay device |
AU24111/02A AU771757B2 (en) | 2000-11-27 | 2001-11-27 | Information retrieving method and relay device |
US10/182,423 US7209756B2 (en) | 2000-11-27 | 2001-11-27 | Information retrieval method and relay center |
NZ519930A NZ519930A (en) | 2000-11-27 | 2001-11-27 | Information retrieving method and relay device for searching information on a network by using location information of a mobile station |
EP01997748A EP1338978A4 (en) | 2000-11-27 | 2001-11-27 | PROCEDURE FOR RE-RELATING INFORMATION AND RELAY DEVICE |
KR1020027009653A KR20020075893A (ko) | 2000-11-27 | 2001-11-27 | 정보 검색 방법 및 중계 장치 |
BR0107753-8A BR0107753A (pt) | 2000-11-27 | 2001-11-27 | Aperfeiçoamento introduzido em método de obtenção de informação e centro de revezamento |
NO20023580A NO325460B1 (no) | 2000-11-27 | 2002-07-26 | Fremgangsmate for gjenfinning av rel± senter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2000360283A JP2002163297A (ja) | 2000-11-27 | 2000-11-27 | 情報検索方法及び中継装置 |
JP2000-360283 | 2000-11-27 |
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WO2002042936A1 true WO2002042936A1 (fr) | 2002-05-30 |
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PCT/JP2001/010321 WO2002042936A1 (fr) | 2000-11-27 | 2001-11-27 | Procede d'extraction de donnees et dispositif relais |
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EP (1) | EP1338978A4 (ja) |
JP (1) | JP2002163297A (ja) |
KR (2) | KR20020075893A (ja) |
CN (1) | CN1173287C (ja) |
AU (1) | AU771757B2 (ja) |
BR (1) | BR0107753A (ja) |
CA (1) | CA2395658C (ja) |
NO (1) | NO325460B1 (ja) |
NZ (1) | NZ519930A (ja) |
PL (1) | PL359394A1 (ja) |
TW (1) | TWI283358B (ja) |
WO (1) | WO2002042936A1 (ja) |
Families Citing this family (28)
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Also Published As
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CN1397043A (zh) | 2003-02-12 |
EP1338978A4 (en) | 2005-05-04 |
AU2411102A (en) | 2002-06-03 |
US20030013458A1 (en) | 2003-01-16 |
EP1338978A1 (en) | 2003-08-27 |
BR0107753A (pt) | 2002-11-12 |
NZ519930A (en) | 2004-10-29 |
NO325460B1 (no) | 2008-05-05 |
KR20050071716A (ko) | 2005-07-07 |
KR100631345B1 (ko) | 2006-10-04 |
CA2395658A1 (en) | 2002-05-30 |
NO20023580L (no) | 2002-09-20 |
CA2395658C (en) | 2009-08-18 |
TWI283358B (en) | 2007-07-01 |
AU771757B2 (en) | 2004-04-01 |
US7209756B2 (en) | 2007-04-24 |
PL359394A1 (en) | 2004-08-23 |
NO20023580D0 (no) | 2002-07-26 |
JP2002163297A (ja) | 2002-06-07 |
CN1173287C (zh) | 2004-10-27 |
KR20020075893A (ko) | 2002-10-07 |
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